public class VicePresident extends Approver {
    @Override
    public void processRequest(PurchaseRequest request) {
        if (request.getAmount() <= 100000 && request.getAmount() > 50000) {
            System.out.println("副董事长审批了：" + request);
        } else if (successor != null) {
            successor.processRequest(request);
        } else {
            System.out.println("副董事长无法审批，请重新提交申请！");
        }
    }
}